1/ i don't know where i should visit this summer vacation

=>I don't know where to visit this summer vacation

2/ could you tell me who i should ask for advice?

=>Could you tell me who to ask for advice?

3/ she wondered what she should write in the final essay

=>She wondered what to write in the final essay

4/ i have no idea who i should contact in case of emergency

=>I have no idea who to contact in case of emergency

5/ they can't decide when they leave for America

=>They can decide when to leave for America

6/ i'm not sure what i should cook for my son's birthday party

=>I'm not sure what to cook for my son's birthday party

7/ could you tell me where i should put my umbrella ?

=>Could you tell me where to put my umbrella?

8/ he asked himself what he should send her as a present

=>He asked himself what to send her as a present

9/ i have no idea when i should leave for Japan

=>I have no idea when to leave for Japan

10/ she wondered how she should resolve the conflict

=>She wondered how to resolve the conflict